diff --git a/base/web/space.go b/base/web/space.go
index 3e8086ab..e4345f31 100644
--- a/base/web/space.go
+++ b/base/web/space.go
@@ -114,7 +114,7 @@ func _space_send(m *ice.Message, space string, arg ...string) {
 				return nil
 			})
 		}
-	}) == nil, "not found %s", space)
+	}) == nil, ice.ErrNotFound, space)
 }
 
 func _space_echo(msg *ice.Message, source, target []string, c *websocket.Conn, name string) {
diff --git a/logs.go b/logs.go
index 1417f1f2..86e682b1 100644
--- a/logs.go
+++ b/logs.go
@@ -10,7 +10,9 @@ import (
 
 var ErrWarn = "warn: "
 var ErrNotAuth = "not auth: "
+var ErrNotJoin = "not join: "
 var ErrNotFound = "not found: "
+var ErrNotEnough = "not enough: "
 
 func (m *Message) log(level string, str string, arg ...interface{}) *Message {
 	if str = strings.TrimSpace(kit.Format(str, arg...)); Log != nil {